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Fozooni T, Ravan H, Sasan H. Signal Amplification Technologies for the Detection of Nucleic Acids: from Cell-Free Analysis to Live-Cell Imaging. Appl Biochem Biotechnol 2017; 183:1224-1253. [DOI: 10.1007/s12010-017-2494-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Accepted: 04/24/2017] [Indexed: 12/15/2022]
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102
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Sharma S, Visweswariah SS. Illuminating Cyclic Nucleotides: Sensors for cAMP and cGMP and Their Application in Live Cell Imaging. J Indian Inst Sci 2017. [DOI: 10.1007/s41745-016-0014-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Kumar P, Sharma PK, Nielsen P. Synthesis, hybridization and fluorescence properties of a 2'-C-pyrene-triazole modified arabino-uridine nucleotide. Bioorg Med Chem 2017; 25:2084-2090. [PMID: 28242171 DOI: 10.1016/j.bmc.2017.02.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 02/07/2017] [Indexed: 01/12/2023]
Abstract
A new pyrene-modified nucleotide monomer is introduced, wherein pyrene is attached to the 2'-position of arabino-uridine through a triazolemethyl linker. When the monomer is introduced into oligonucleotides, very stable DNA duplexes and three way junctions are obtained. An oligonucleotide featuring two modifications in the center shows four-fold increase in the intensity of the pyrene excimer signal on hybridization with an RNA target but not with a DNA target. The new nucleotide monomer has potential in DNA invader probes as well as in RNA targeting and detection.
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Affiliation(s)
- Pawan Kumar
- Nucleic Acid Center, Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, 5230 Odense M, Denmark
| | - Pawan K Sharma
- Department of Chemistry, Kurukshetra University, Kurukshetra 136 119, India
| | - Poul Nielsen
- Nucleic Acid Center, Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, 5230 Odense M, Denmark.
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Xie N, Huang J, Yang X, Yang Y, Quan K, Ou M, Fang H, Wang K. Competition-Mediated FRET-Switching DNA Tetrahedron Molecular Beacon for Intracellular Molecular Detection. ACS Sens 2016. [DOI: 10.1021/acssensors.6b00593] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Nuli Xie
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Key
Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan
Province, Hunan University, Changsha 410082, China
| | - Jin Huang
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Key
Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan
Province, Hunan University, Changsha 410082, China
| | - Xiaohai Yang
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Key
Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan
Province, Hunan University, Changsha 410082, China
| | - Yanjing Yang
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Key
Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan
Province, Hunan University, Changsha 410082, China
| | - Ke Quan
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Key
Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan
Province, Hunan University, Changsha 410082, China
| | - Min Ou
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Key
Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan
Province, Hunan University, Changsha 410082, China
| | - Hongmei Fang
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Key
Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan
Province, Hunan University, Changsha 410082, China
| | - Kemin Wang
- State Key Laboratory of Chemo/Biosensing
and Chemometrics, College of Chemistry and Chemical Engineering, Key
Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan
Province, Hunan University, Changsha 410082, China
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